| A & M Products, a subsidiary of The Clorox Co. |
Kitty litter mfg. |
Bioscience, Manufacturing |
| Aaon, Inc. |
Environmental controls mfg. |
Manufacturing |
| Adrian Steel |
Upfitter for automotive industry |
Manufacturing |
| Ag Processing Inc. (AGP) |
Soybean processing |
Manufacturing |
| AJ Manufacturing |
Stainless steel air distribution products for hospitals, laboratories, food processing facilities |
Manufacturing |
| Alstom Signaling Operation |
Rail communications equip. mfg. |
Manufacturing, Information Technology |
| Alta Aero Technic |
Aircraft maintenance, repair, and overhaul |
Manufacturing |
| Altec Industries, Inc. |
Industrial equipment mfg. |
Manufacturing |
| Altium Packaging |
Plastic bottle mfg. |
Manufacturing |
| Amarr Entrematic Garage Doors |
Electronic garage door components mfg. |
Manufacturing |
| Amsted Rail Company |
Railroad car wheels mfg. |
Manufacturing |
| Argenta |
Veterinary pharmaceuticals mfg. |
Bioscience, Manufacturing |
| Arrow Material Handling Products |
Forklift attachments and replacement parts mfg. |
Manufacturing |
| Ash Grove Cement Company |
Hydraulic cement and hydrated lime mfg. (Hdq.) |
Headquarters, Manufacturing |
| Aspen Products |
Paper plates & lunch bags mfg. |
Manufacturing |
| Atlas Roofing Corporation |
Expanded polystyrene mfg. |
Manufacturing |
| Automatic Systems, Inc. |
Industrial conveyors & material handling systems mfg. (Hdq.) |
Headquarters, Manufacturing |
| Aviation Technical Services (ATS) |
Aviation overhaul services |
Manufacturing |
| Bayer CropScience |
Crop protection products mfg. |
Bioscience, Manufacturing |
| Belfonte Ice Cream & Dairy Foods Co. |
Dairy product mfg. and distribution |
Distribution, Manufacturing |